Knowledge Base

13734: IRS - MeF Production Maintenance/Shutdown Times

Outages or scheduled maintenance for the modernized e-file system are detailed below.

The IRS will be conducting system maintenance on the the following days and times. These maintenance periods are in addition to the annual scheduled maintenance/blackout times; see Related Links below.

The federal and state e-file system, including the ability to transmit returns and retrieve acknowledgments, will be unavailable during these times: